Unit3ComputersPeriod5教設(shè)I.contents：ThePresentPassiveVoiceII.aims：①UnderstandtheusesofPresentPerfectPassiveVoiceUsethePresentPerfectPassiveVoicecorrectlyIII.Keypoints&DifficultiesKeypoints:TogetstudentstoknowPresentPerfectPassiveVoiceandlearnhowtothePresentPerfectPassiveVoice.TeachingDifficultiesToenablethestudentstousethePresentPerfectPassiveVoicecorrectlyIV.TeachingmethodsDiscussing,summarizingandpracticing.V.Teachingprocedure:StepLead-inReviewverbtensestheFuturePassiveVoicetheyhavelearntinlastunit.StepGrammarexplanation.TeacherhelpthestudentsdealwithhowexpressthePresentPerfectPassiveVoice.1.Thestructureofthepresentperfectpassivevoiceis:have/＋been＋~ed現(xiàn)在完成時的被動語態(tài)表示動作發(fā)生在過,到在已經(jīng)完成或?qū)ΜF(xiàn)在有影響。主動語態(tài)即主語為動作的執(zhí)行者；被動語態(tài)即主語為動作的承受者?，F(xiàn)在完成時的被動語態(tài)同它的主動語態(tài)一樣，強調(diào)過去的動作對現(xiàn)在造成的影響或結(jié)果，但主語為動作的承受者，表示……已經(jīng)被…?，F(xiàn)完成時被動語態(tài)的肯定式為：have/+done現(xiàn)完成時被動語態(tài)的否定式為：have/+not+been+現(xiàn)完成時被動語態(tài)的一般疑問句需將have/has到主語的前面-1-

現(xiàn)完成時被動語態(tài)的特殊疑問句為：疑問詞havehasbeen+done現(xiàn)在完成時的被語態(tài)表達以下兩個概念：說時已經(jīng)完成的動作或出現(xiàn)的結(jié)果。主是行為動作的承受者。主動語態(tài)變被動態(tài)的方法Practice.StepExerciseforconsolidation.Studentsdotheexercise2onpage21,thenteachergiveguidancecheck.StepTrytorememberofPresentPerfectPassiveVoice.Finishexercise3onPageexercise2onpage57.VI.BlackboardUnit3ComputersPeriod5教設(shè)1.Thestructureofthepresentperfectpassivevoiceis:have/＋been＋~ed現(xiàn)完成時被動語態(tài)的肯定式為：have/+done現(xiàn)完成時被動語態(tài)的否定式為：have/+not+been+現(xiàn)完成時被動語態(tài)的